Spiral structure generated by infalling matter drifting in the corotation resonance zone of a galaxy

Details Spiral structure generated by infalling matter drifting in the corotation resonance zone of a galaxy Spiral structure generated by infalling matter drifting in the corotation resonance zone of a galaxy

Jun 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984pazh...10..336e&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 10, May 1984, p. 336-344) Soviet Astronomy Letters (ISSN 0360-0327), vol. 10, May-June

Astronomy and Astrophysics

Astronomy

Galactic Rotation, Galactic Structure, Spiral Galaxies, Density Distribution, Gas Flow, Interstellar Gas

Scientific paper

Spiral structure might develop as the gas-dust disk of a galaxy is being formed. The drift flow of gas is studied in the corotation resonance zone of the equatorial plane of a galaxy which has a central rotating bar-like structure. Matter will collect in the plane, and the gas layer will evolve to produce drift flow patterns closely resembling the spiral and related configurations observed in galaxies. By this approach one can also explain the stellar age gradient across spiral arms.

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